<template>
    <el-container :style="{ height: containerHeight + 'px' }">
            <!-- 左侧部门树形菜单列表 -->
            <el-aside
            style="
            padding: 10px 0px 0px 0px;
            background: #fff;
            border-right: 1px solid #dfe6ec;
            "
            width="200px"
            >
                <el-tree
                style="font-size: 14px"
                ref="leftTree"
                :data="deptList"
                node-key="id"
                :props="defaultProps"
                default-expand-all
                empty-text="暂无数据"
                :show-checkbox="false"
                :highlight-current="true"
                :expand-on-click-node="false"
                @node-click="handleNodeClick"
                >
                    <div class="custom-tree-node" slot-scope="{ node, data }">
                        <div>
                            <span v-if="data.children.length == 0">
                                <i class="el-icon-document"></i>
                            </span>
                            <span v-else @click.stop="openBtn(data)">
                                <svg-icon v-if="data.open" icon-class="add-s"/>
                                <svg-icon v-else icon-class="sub-s"/>
                            </span>
                            <!-- 名称 -->
                            <span style="margin-left: 3px">{{ node.label }}</span>
                        </div>
                    </div>
                </el-tree>
            </el-aside>
            <!-- 右侧用户数据 -->
            <!-- 表格数据 -->
            <el-main>
                <!-- 查询条件 -->
                <el-form
                :model="searchModel" 
                ref="searchForm"
                label-width="80px"
                :inline="true"
                size="small"
                >
                    <el-form-item>
                        <el-input v-model="searchModel.username" placeholder="请输入用户名"/>
                    </el-form-item>

                    <el-form-item>
                        <el-input v-model="searchModel.realName" placeholder="请输入真实姓名"/>
                    </el-form-item>

                    <el-form-item>
                        <el-input v-model="searchModel.phone" placeholder="请输入电话"/>
                    </el-form-item>

                    <el-form-item>
                        <el-button icon="el-icon-search" type="primary"  @click="search(departmentId, pageNo, pageSize)">查询</el-button>
                        <el-button icon="el-icon-delete" @click="resetValue()">重置</el-button>
                        <el-button icon="el-icon-plus" size="small" type="success" @click="openAddWindow()">新增</el-button>
                    </el-form-item>
                </el-form>
                <!-- 用户表格数据 -->
                <el-table
                :height="tableHeight"
                :data="userList"
                border
                stripe
                style="width: 100%; margin-bottom: 10px">
                    <el-table-column prop="username" label="用户名"></el-table-column>
                    <el-table-column prop="realName" label="姓名"></el-table-column>
                    <el-table-column prop="departmentName" label="所属部门"></el-table-column>
                    <el-table-column prop="phone" label="电话"></el-table-column>
                    <el-table-column prop="email" label="邮箱"></el-table-column>
                    <el-table-column align="center" width="290" label="操作">
                        <template slot-scope="scope">
                            <el-button icon="el-icon-edit" type="primary" size="mini" @click="handleEdit(scope.row)" >编辑</el-button>
                            <el-button icon="el-icon-delete" type="danger" size="mini" @click="handleDelete(scope.row)">删除</el-button>
                            <el-button icon="el-icon-setting" type="primary" size="mini" @click="assignRole(scope.row)">分配角色</el-button>
                        </template>
                    </el-table-column>
                </el-table>
                <!-- 分页工具栏 -->
                <el-pagination
                background
                @size-change="handleSizeChange"
                @current-change="handleCurrentChange"
                :current-page="pageNo"
                :page-sizes="[10, 20, 30, 40, 50]"
                :page-size="10"
                layout="total, sizes, prev, pager, next, jumper"
                :total="total"
                >
                </el-pagination>

                <!-- 添加和编辑用户窗口 -->
                <system-dialog
                :title="userDialog.title"
                :height="userDialog.height"
                :width="userDialog.width"
                :visible="userDialog.visible"
                @onClose="onClose"
                @onConfirm="onConfirm">
                    <div slot="content">
                        <el-form
                        :model="user"
                        ref="userForm"
                        :rules="rules"
                        label-width="80px"
                        :inline="true"
                        size="small">
                            <el-form-item prop="username" label="用户名">
                                <el-input v-model="user.username"></el-input>
                            </el-form-item>

                            <el-form-item prop="password" v-if="user.id === ''" label="密码">
                                <el-input type="password" v-model="user.password"></el-input>
                            </el-form-item>

                            <el-form-item prop="departmentName" label="所属部门">
                                <el-input v-model="user.departmentName" :readonly="true" @click.native="selectDepartment()"></el-input>
                            </el-form-item>

                            <el-form-item prop="realName" label="姓名">
                                <el-input v-model="user.realName"></el-input>
                            </el-form-item>

                            <el-form-item prop="phone" label="电话">
                                <el-input v-model="user.phone"></el-input>
                            </el-form-item>

                            <el-form-item label="昵称">
                                <el-input v-model="user.nickName"></el-input>
                            </el-form-item>

                            <el-form-item label="邮箱">
                                <el-input v-model="user.email"></el-input>
                            </el-form-item>

                            <el-form-item prop="gender" label="性别">
                                <el-radio-group v-model="user.gender">
                                    <el-radio :label="0">男</el-radio>
                                    <el-radio :label="1">女</el-radio>
                                </el-radio-group>
                            </el-form-item>
                            <br>
                            <!-- 用户头像 -->
                            <el-form-item label="头像">
                                <el-upload
                                :show-file-list="false"
                                :on-success="handleAvatarSuccess"
                                :before-upload="beforeAvatarUpload"
                                class="avatar-uploader"
                                :data="uploadHeader"
                                :action="uploadURL+'/api/oss/file/upload?module=avatar'"
                                >
                                    <img v-if="user.avatar" :src="user.avatar">
                                    <i v-else class="el-icon-plus avatar-uploader-icon"/>
                                </el-upload>
                            </el-form-item>
                        </el-form>
                    </div>
                </system-dialog>

                <!-- 所属部门弹框 -->
                <system-dialog
                :title="parentDialog.title"
                :width="parentDialog.width"
                :height="parentDialog.height"
                :visible="parentDialog.visible"
                @onClose="onParentClose"
                @onConfirm="onParentConfirm"
                >
                    <div slot="content">
                        <el-tree
                        ref="parentTree"
                        :data="parentList"
                        default-expand-all
                        node-key="id"
                        :props="parentProps"
                        :show-checkbox="false"
                        :highlight-current="true"
                        :expand-on-click-node="false"
                        @node-click="parentClick"
                        >
                            <div class="customer-tree-node" slot-scope="{ node, data }">
                                <span v-if="data.children.length == 0">
                                <i class="el-icon-document"/>
                                </span>
                                <span v-else @click.stop="openParentBtn(data)">
                                    <svg-icon v-if="data.open" icon-class="add-s"/>
                                    <svg-icon v-else icon-class="sub-s" />
                                </span>
                            <span style="margin-left: 3px">{{ node.label }}</span>
                            </div>
                        </el-tree>
                    </div>
                </system-dialog>

                <!-- 分配角色窗口 -->
                <system-dialog
                :title="assignDialog.title"
                :height="assignDialog.height"
                :width="assignDialog.width"
                :visible="assignDialog.visible"
                @onClose="onAssignClose"
                @onConfirm="onAssignConfirm"
                >
                    <div slot="content">
                    <!-- 分配角色数据列表 -->
                    <el-table
                    ref="assignRoleTable"
                    :data="assignRoleList"
                    border
                    stripe
                    :height="assignHeight"
                    style="width: 100%; margin-bottom: 10px"
                    @selection-change="handleSelectionChange">
                        <el-table-column type="selection" width="55" align="center"/>
                        <el-table-column prop="roleCode" label="角色编码"/>
                        <el-table-column prop="roleName" label="角色名称"/>
                        <el-table-column prop="remark" label="角色备注"/>
                    </el-table>
                    <!-- 分页工具栏 -->
                    <el-pagination
                    @size-change="assignSizeChange"
                    @current-change="assignCurrentChange"
                    :current-page.sync="roleVo.pageNo"
                    :page-sizes="[10, 20, 30, 40, 50]"
                    :page-size="roleVo.pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="roleVo.total"
                    background>
                        </el-pagination>
                    </div>
                </system-dialog>

            </el-main>
    </el-container>
</template>
<script>
    //导入部门api脚本
    import departmentApi from '@/api/system/department';
    //导入用户api脚本
    import userApi from '@/api/system/user';
    //导入对话框组件
    import SystemDialog from '@/components/system/Systemdialog'

    //导入token
    import {getToken} from '@/utils/auth'

    const IS_PROD = process.env.NODE_ENV === 'production'; //是否是生产模式
    const preUrl = IS_PROD ? 'http://47.114.73.72:5577' : 'http://localhost:5577'; //是生产模式 '' ，不是则 '/api'

    export default {
        name: 'userList',
        components: {
            SystemDialog
        },
        data() {
            //自定义验证规则
            let validatePhone = (rule, value, callback) => {
            if (!value) {
                callback(new Error("请输入手机号码"));
                //使用正则表达式进行验证手机号码
            }else if (!/^1[3456789]\d{9}$/.test(value)) {
                callback(new Error("手机号格式不正确"));
            }else{
                callback();
            }
        };

            return {
                uploadURL: preUrl ,

                //查询条件对象
                searchModel: {
                    username: "",
                    realName:"",
                    phone: "",
                    departmentId: "",
                    pageNo: 1,
                    pageSize: 10,
                },
                deptList:[], //部门列表
                userList: [], //用户列表
                tableHeight: 0, //表格高度
                pageNo: 1, //当前页码
                pageSize: 10, //每页显示数量
                total: 0, //总数量
                departmentId: "", //部门编号
                //部门树树形组件默认属性值
                defaultProps: {
                    children :"children" ,
                    label: "departmentName",
                },
                //添加和修改用户窗口属性
                userDialog: {
                    title: '',
                    height: 410,
                    width: 610,
                    visible: false
                },
                //用户对象
                user: {
                    id: '',
                    departmentId: '',
                    departmentName: '',
                    email: '',
                    realName: '',
                    phone: '',
                    nickName: '',
                    password: '',
                    username: '',
                    gender: '',
                    avatar:''
                },
                rules: {
                    departmentName: [{ required: true, trigger: 'change', message: '请选择所属部门' }],
                    realName: [{ required: true, trigger: 'blur', message: '请填写姓名' }],
                    phone: [{ trigger: 'blur', validator: validatePhone }],
                    username: [{ required: true, trigger: 'blur', message: '请填写登录名' }],
                    password: [{ required: true, trigger: 'blur', message: '请填写登录密码' }],
                    gender: [{ required: true, trigger: 'change', message: '请选择性别' }]
                },
                //选择所属部门窗口属性
                parentDialog: {
                    title: '选择所属部门',
                    width: 300,
                    height: 450,
                    visible: false
                },
                parentList: [], //所属部门节点数据
                parentProps: {
                    children :"children" ,
                    label: "departmentName",
                },
                //上传需要携带的数据
                uploadHeader:{"Authorization":getToken()},

                //分配角色窗口属性
                assignDialog: {
                    title: "",
                    visible: false,
                    width: 800,
                    height: 410,
                },
                //角色对象
                roleVo: {
                    pageNo: 1,
                    pageSize: 10,
                    userId: "",
                    roleName: '',
                    total: 0,
                },
                assignRoleList: [], //角色列表
                assignHeight: 0, //分配角色表格高度
                selectedIds: [], //被选中的角色id
                selectedUserId: "", //被分配角色的用户ID
                

            }
        },
        methods: {
            /**
            * 查询部门列表
            */
            async getDeptList() {
                //发送查询请求
                let res = await departmentApi.getDepartmentList({departmentName: ''})
                //判断是否成功
                if (res.success) {
                    this.deptList = res.data;
                    //树加载完成后，默认点击第一个节点
                    this.$nextTick(() => {
                        const firstNode = document.querySelector(".el-tree-node");
                        firstNode.click();
                    });
                }

            },
            /**
            * 左侧树节点点击事件
            */
            handleNodeClick(data) {
                //给部门编号赋值
                this.departmentId = data.id;
                //查询数据
                this.search(this.departmentId);
            },
            //加减号图标点击事件
            openBtn(data) {
                //修改折叠展开状态
                data.open = !data.open
                this.$refs.leftTree.store.nodesMap[data.id].expanded = !data.open;
            },
            /**
            * 查询用户列表
            */
            async search(departmentId, pageNo = 1, pageSize = 10) {
                this.searchModel.pageNo = pageNo;
                this.searchModel.pageSize = pageSize;
                this.searchModel.departmentId = departmentId;
                //发送查询请求
                let res = await userApi.getUserList(this.searchModel);
                if (res.success) {
                    this.userList = res.data.records;
                    this.total = res.data.total;
                }
            },
            /**
            * 当每页数量发生变化时触发该事件
            */
            handleSizeChange(size) {
                this.pageSize = size; //将每页显示的数量交给成员变量
                this.search(this.departmentId, this.pageNo, size);
            },
            /**
            * 当页码发生变化时触发该事件
            */
            handleCurrentChange(page) {
                this.pageNo = page;
                //调用查询方法
                this.search(this.departmentId, page, this.pageSize);
            },
            /**
            * 重置查询条件
            */
            resetValue() {
                //清空查询条件
                this.searchModel = {};
                //重新查询
                this.search(this.departmentId);
            },
            /**
            * 打开添加窗口
            */
            openAddWindow() {
                this.$resetForm('userForm', this.user) //清空表单
                this.userDialog.visible = true //显示窗口
                this.userDialog.title = '新增用户' //设置标题
            },
            /**
            * 新增或编辑取消事件
            */
            onClose() {
                this.userDialog.visible = false //关闭窗口
            },
            /**
            * 新增或编辑确认事件
            */
            onConfirm() {
                //表单验证
                this.$refs.userForm.validate((valid) => {
                if (valid) {}
                })
            },
            /**
            * 打开选择所属部门窗口
            */
            async selectDepartment() {
                //查询上级部门数据
                let res = await departmentApi.getDepartmentList({departmentName: ''})
                //判断是否成功
                if (res.success) {
                    this.parentList = res.data
                }
                //显示窗口
                this.parentDialog.visible = true
            },
            /**
            * 选择上级部门取消事件
            */
            onParentClose() {
                this.parentDialog.visible = false //关闭窗口
            },
            /**
            * 选择上级部门确认事件
            */
            onParentConfirm() {
                this.parentDialog.visible = false
            },
            //上级部门树节点点击事件
            parentClick(data) {
                this.user.departmentId = data.id
                this.user.departmentName = data.departmentName
            },
            //上级部门树加号 减号 图标点击事件
            openParentBtn(data) {
                data.open = !data.open
                this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open
            },
            /**
            * 新增或编辑确认事件
            */
            onConfirm() {
                this.$refs.userForm.validate(async(valid) => {
                if (valid) {
                    let res = null
                    //判断用户ID是否为空
                    if (this.user.id === '') {
                        //新增
                        //发送添加请求
                        res = await userApi.addUser(this.user)
                    } else {
                    //发送修改请求
                    }
                    //判断是否成功
                    if (res.success) {
                        this.$message.success(res.message)
                        //刷新
                        this.search(this.departmentId, this.pageNo, this.pageSize);
                        //关闭窗口
                        this.userDialog.visible = false
                    } else {
                        this.$message.error(res.message)
                    }
                }
                })
            },
            /**
            * 上传成功回调
            * @param res
            * @param file
            */
            handleAvatarSuccess(res, file) {
                this.user.avatar = res.data
                console.log('刷新图像...')
                // 强制重新渲染
                this.$forceUpdate()
            },
            /**
            * 上传校验
            * @param file
            * @returns {boolean}
            */
            beforeAvatarUpload(file) {
                // const isJPG = file.type === 'image/jpeg'
                const isLt2M = file.size / 1024 / 1024 < 2
                // if (!isJPG) {
                //     this.$message.error('上传头像图片只能是 JPG 格式!')
                // }
                if (!isLt2M) {
                    this.$message.error('上传头像图片大小不能超过 2MB!')
                }
                return isLt2M
            },
            /**
            * 编辑用户
            */
            handleEdit(row) {
                //设置弹框属性
                this.userDialog.title = '编辑用户'
                this.userDialog.visible = true
                //把当前编辑的数据复制到表单数据域，供回显使用
                this.$objCopy(row, this.user)
            },
            /**
            * 新增或编辑确认事件
            */
            onConfirm() {
                this.$refs.userForm.validate(async(valid) => {
                    if (valid) {
                        let res = null
                        //判断用户ID是否为空
                        if (this.user.id === '') {
                            //新增
                            //发送添加请求
                            res = await userApi.addUser(this.user)
                        } else {
                            //发送修改请求
                            res = await userApi.updateUser(this.user)
                            if(res.success){

                            }
                        }
                        //判断是否成功
                        if (res.success) {
                            this.$message.success(res.message)
                            //刷新
                            this.search(this.departmentId, this.pageNo, this.pageSize);
                            //关闭窗口
                            this.userDialog.visible = false
                        } else {
                            this.$message.error(res.message)
                        }
                    }
                })
            },
            /**
            * 删除
            */
            async handleDelete(row) {
                let confirm = await this.$sconfirm('确定要删除该数据吗?')
                if (confirm) {
                    //封装条件
                    let params = { id: row.id }
                    //发送删除请求
                    let res = await userApi.deleteUser(params)
                    //判断是否成功
                    if (res.success) {
                        this.$message.success(res.message)
                        //刷新
                        this.search(this.departmentId, this.pageNo, this.pageSize);
                    } else {
                        this.$message.error(res.message)
                    }
                }
            },
            /**
            * 打开分配角色
            */
            async assignRole(row){
                //防止回显出现问题
                this.selectedIds = [];
                this.selectedUserId = "";
                //被分配用户的id
                this.selectedUserId = row.id;
                //显示窗口
                this.assignDialog.visible = true;
                //设置标题
                this.assignDialog.title = `给【${row.realName}】分配角色`;
                //查询当前登录用户的所有角色信息
                await this.getAssignRoleList();
                //获取当前被分配用户的ID
                let params = {
                    userId: row.id,
                };
                //发送根据用户ID查询角色列表的请求
                let res = await userApi.getRoleIdByUserId(params);
                //如果存在数据
                if (res.success && res.data){
                    //将查询到的角色ID列表交给选中角色数组
                    this.selectedIds = res.data;
                    //循环遍历
                    this.selectedIds.forEach((key) => {
                        this.assignRoleList.forEach((item) => {
                        if (item.id === key) {
                            this.$refs.assignRoleTable.toggleRowSelection(item, true);
                            }
                        });
                    });
                }
            },
            /**
            * 查询当前登录用户的所有角色信息
            */
            async getAssignRoleList(pageNo = 1, pageSize = 10) {
                //给用户ID赋值
                this.roleVo.userId = this.$store.getters.userId;
                this.roleVo.pageNo = pageNo;
                this.roleVo.pageSize = pageSize;
                //发送查询请求
                let res = await userApi.getAssignRoleList(this.roleVo);
                //判断是否成功
                if (res.success) {
                    //角色列表赋值
                    this.assignRoleList = res.data.records;
                    //角色总数量赋值
                    this.roleVo.total = res.data.total;
                }
            },
            /**
            * 分配角色取消事件
            */
            onAssignClose(){
                //隐藏窗口
                this.assignDialog.visible = false;
            },
            /**
            * 分配角色确认事件
            */
            onAssignConfirm(){
                //隐藏窗口
                this.assignDialog.visible = false;
            },
            /**
            * 当每页数量发生变化时触发该事件
            */
            assignSizeChange(size){
                this.roleVo.pageSize = size; //将每页显示的数量交给成员变量
                this.getAssignRoleList(this.roleVo.pageNo, size);
            },
            /**
             * 当页码发生变化时触发该事件
            */
            assignCurrentChange(page){
                this.roleVo.pageNo = page;
                //调用查询方法
                this.getAssignRoleList(page, this.roleVo.pageSize);
            },
            /**
            * 当点击多选框时触发该事件
            */
            handleSelectionChange(rows){
                let roleIds = [];
                //循环遍历选中的角色ID
                for (let i = 0; i < rows.length; i++) {
                //将当前选中的角色ID放到数组中
                roleIds.push(rows[i].id);
                }
                //将选中的角色ID交给成员变量
                this.selectedIds = roleIds;
                // this.selectedIds = rows.map(item => item.id);//等同于上述代码
            },
            /**
            * 分配角色确认事件
            */
            async onAssignConfirm(){
                //判断用户是否有选中角色
                if (this.selectedIds.length === 0) {
                    this.$message.warning("请选择要分配的角色！");
                    return;
                }
                let params = {
                    userId: this.selectedUserId,
                    roleIds: this.selectedIds,
                };
                //发送请求
                let res = await userApi.assignRoleSave(params);
                //判断是否成功
                if (res.success) {
                    this.$message.success(res.message);
                    //关闭窗口
                    this.assignDialog.visible = false;
                } else {
                    this.$message.error(res.message);
                }
            }






        },
        created() {
            //查询部门列表
            this.getDeptList();
            //调用查询用户列表
            this.search(this.departmentId);

        },
        mounted() {
            this.$nextTick(() => {
            //内容高度
            this.containerHeight = window.innerHeight - 85
            //表格高度
            this.tableHeight = window.innerHeight - 220
            //角色表格高度
            this.assignHeight = window.innerHeight - 350;

            })
        }
}
</script>
<style lang="scss">
//用户头像
.avatar-uploader .el-upload {
border: 1px dashed #d9d9d9 !important;
border-radius: 6px;
cursor: pointer;
position: relative;
overflow: hidden;
}
.avatar-uploader .el-upload:hover {
border-color: #409EFF;
}
.avatar-uploader .avatar-uploader-icon {
font-size: 28px;
color: #8c939d;
width: 178px;
height: 178px;
line-height: 178px;
text-align: center;
}
.avatar-uploader img {
width: 178px;
height: 178px;
display: block;
}
</style>